Equipment functioning
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Betriebsanleitung_commotherm_5_15_SW_WW_Touch_Englisch_V1.2
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5.1.3
First Aid measures for contact with refrigerant
General Tips
In the event of unconsciousness, place carefully on the side and seek medical
advice
Never allow an unconscious person to take in anything by mouth
With irregular breathing or if breathing stops, try artificial respiration. If complaints
persist, seek medical advice
Inhalation
Take the person out of the contaminated area
Respiration with breathing apparatus or oxygen supply
In the event of difficulties with breathing or nerve problems, seek medical advice
Go into the fresh air
Contact with the
Open the eyelids wide to vaporise the agent
eyes
Rinse the eyes out with flowing water for a few minutes, opening the eyelids wide
In the event of continuing sore eyes, seek medical advice
Contact with the
Vaporise the agent
skin
Rinse with lukewarm water
If soreness continues or the skin is red, seek medical advice
Remove soiled or soaked clothing immediately
Never remove refrigerant, let it escape or add additional refrigerant yourself.
This is a risk to humans, animals, the environment and the device itself.
5.2
Safety devices
The pressures in the commotherm heat pump should remain within a define range. To ensure this, so-called
pressure switches are built in. These serve on the one hand as a safety device, and on the other hand to
ensure that the heat pump works in the defined range. The pressure switches are designed as chamber
pressure switches, i.e. the set, adjusted pressures cannot be reset by unauthorised persons. The pressure
switches are also used as low or high pressure switches. These devices are briefly described below.
5.2.1
Low pressure switch
The low pressure switch turns off the compressor at an operating pressure of < 1 bar and therefore protects
this at low pressure (low pressure may be caused by a lack of refrigerant, for example).
5.2.2
High pressure switch
High pressure switches also serve to switch off the compressor in an emergency. In contrast with low
pressure switches, however, this turns off the compressor at a higher pressure. In the event of the BW/WW
heat pump this occurs at pressures of > 28 bar.
